Abstract: The disclosure provides a device for measuring serum bilirubin levels and uses thereof. The device includes a plate including a surface comprising: a stepwise gradient of colors; a lighting indicator; and a series of windows in the surface, each window in the series bordered by one of the colors, and each window including a transparent portion in the plate.

Abstract: Disclosed is a positioning device for use in a compound portable phototherapy device to contain and enhance therapeutic treatment to a subject. The positioning device comprises an inner surface composed of a non-porous, light reflective material, as well as an outer surface that may be opaque. Use of the positioning device in conjunction with a phototherapy device secures advantages of increased incident light directed on a subject and a controlled thermal environment for the subject. The positioning device may be portable and may be pliable, capable of being rolled or compressed. The positioning device may optionally include a visor, venting, and stabilizing cushioning. The positioning device may optionally include a thermal regulation element.

Abstract: A method for ranking the public disposition towards media articles on the internet that takes into account the system user's preferences for how to weight the opinions of members of the public (other users) who all have various objective attributes (geographic location or age for example) and also various objective parameters that are calculated based on their previous actions (thoughtfulness, integrity, frequency of interaction, etc. . . ).